The Type I normal bias audio cassette was the standard and most widely compatible tape format – the direct descendant of the original compact cassette. The tape preserved sound by means of a ferric-oxide coating, and first appeared on the consumer market in the mid 1960s. Heading the post you can see a fairly early Type I musicassette demonstrator, which was used to help drive the cassette format into wider use in 1970. Continue reading The Type I Normal Bias Audio Cassette
Tape Tardis 